Re: [PATCH v1 06/14] linux/mm.h: move page_size() to mm/page_size.h

From: Max Kellermann
Date: Thu Feb 15 2024 - 14:36:23 EST


On Thu, Feb 15, 2024 at 8:26 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
> We're really close to eliminating page_size(). Just 23 callers left.
> As such, it would be a mistake to name the header after it. I don't
> particularly like how you're splitting up mm.h; I think the real problem
> is all the code that says "Oh, I'm allocating memory, I should include
> mm.h" instead of including gfp.h or slab.h.

Yes, a lot of source files do that, but that mistake is not something
I'm addressing in this patch series; another patch series I posted two
weeks ago is about that.
This series is only about making sources lighter which currently
indeed need mm.h.

> But if you must split it like this, at least call it folio_size.h

Okay, I will rename it for v2.